Honestly D.I.D. Best chain out there. I'd do a 520 conversion if you haven't already. I believe cycle gear has a deal on a D.I.D chain and new front and rear sprocket set 520 conversion for the price of the chain. I'm running a D.I.D right now on stock sprockets. As soon as I tear down the rear for a new breaks and a new tire I'm going -1 front +2 rear 520 conversion with the D.I.D chain.